/Engine/Source/Editor/ConfigEditor/Public/IConfigEditorModule.h
Maintain a reference to a value widget used in the config editor for the current property.
void AddExternalPropertyValueWidgetAndConfigPairing ( const [FString](API\Runtime\Core\Containers\FString) & ConfigFile, const [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [SWidget](API\Runtime\SlateCore\Widgets\SWidget) > ValueWidget )